Thread: Faulty gas gauge?

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  1. #1 Faulty gas gauge? 
    GT Level Member Hpiracr28's Avatar
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    So I filled my tank up on Thursday. I've driven about 75 miles so far, and the gas gauge needle hasn't moved. This is on an 03 grand prix, 3.1. Is there an easy way to check? Do these cars have a history of faulty gauges? Didn't have this issue until this fill up/this week.
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  2. #2 Re: Faulty gas gauge? 
    Solving problems BrandonHall10's Avatar
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    It's not impossible for the level sender to go bad. The little fingers wear out. What level is the gauge "stuck" at?
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  3. #3 Re: Faulty gas gauge? 
    SE Level Member smg267's Avatar
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    It's the fuel sending unit/sensor. $30 part.

    https://youtube.com/watch?v=-7cY_IPCVfI
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  4. #4 Re: Faulty gas gauge? 
    GT Level Member Hpiracr28's Avatar
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    Fuel gauge is pegged at full.
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  5. #5 Re: Faulty gas gauge? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Thanks for telling us a second time.

    SMGPFC Member #1
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  6. #6 Re: Faulty gas gauge? 
    Solving problems BrandonHall10's Avatar
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    Quote Originally Posted by Fivefingerdeathpunch View Post
    Thanks for telling us a second time.
    To be fair, I did ask.
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  7. #7 Re: Faulty gas gauge? 
    Solving problems BrandonHall10's Avatar
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    Yeah, almost certainly a bad sensor. Depending on the mileage and your budget, you may want to consider replacing the whole pump module.
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  8. #8 Re: Faulty gas gauge? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    I just couldn't help myself, he said he filled the tank and it hadn't moved so that tells me it's full. Then you asked where it was, I just kind of laughed.

    I can see where you were coming from but to me it was just a commom sense guess lol.

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  9. #9 Re: Faulty gas gauge? 
    Solving problems BrandonHall10's Avatar
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    LOL. Yeah. I had mine peg at full recently also, but after being on this forum for a couple years, I take NOTHING for granted.

    Last summer, I had the minivan gauge quit at half tank. Half to full it worked like normal. So, you never know.
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  10. #10 Re: Faulty gas gauge? 
    GT Level Member Hpiracr28's Avatar
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    Quote Originally Posted by BrandonHall10 View Post
    Yeah, almost certainly a bad sensor. Depending on the mileage and your budget, you may want to consider replacing the whole pump module.
    56k miles on it. I believe the whole system was replaced not long ago. Don't know exactly when though.
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  11. #11 Re: Faulty gas gauge? 
    Donating Users Bronco Boy's Avatar
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    How to change the fuel level sensor....

    http://chrisb.users.superford.org/Gr...el_Sensor.html
    Chris B
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    ** SOLD ** 2002 GT
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  12. #12 Re: Faulty gas gauge? 
    GTP Level Member LeadfootCJ7's Avatar
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    Meh. My 94 Olds Cutlass will read full until I have 100 miles on the tank. I don't work really hard to top off, but I do get it full. With my avg of 23mpg it means I burn off around 2 gal before it moves and 3-4 before it is below the full hash mark. Deosn't really bother me. I could have adjusted it when I replaced the fuel pump, but I know how it reads. When its on E I have about 15 -20 miles left. It's not the end of the world. Many cars I have driven and been around are the same. You have to put some miles on before the fuel level drops at all.
    2007 Grand Prix GXP;2002 Camaro Z28 - tune, CAI, and exhaust
    2006 GMC 2500HD - ATS high flow manifolds and uppipes, turbo back exhaust, blocked EGR, Denali headlights, Reflexxion Cown Hood
    1994 Olds Cutlass Supreme 2 door
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